thanks, I'll take it for granted than.
Annelies
Roger Harbord wrote:
> This is reproducible using the auto dataset so it's not an artefact of your
> particular data:
>
> . sysuse auto
> (1978 Automobile Data)
>
> . list in 1
>
> +---------------------------------------------------------------+
> 1. | make | price | mpg | rep78 | headroom | trunk | weight |
> | AMC Concord | 4,099 | 22 | 3 | 2.5 | 11 | 2,930 |
> |---------------------+-------------+---------------------------|
> | length | turn | displa~t | gear_r~o | foreign |
> | 186 | 40 | 121 | 3.58 | Domestic |
> +---------------------------------------------------------------+
>
> . keep if 1==2
> (74 observations deleted)
>
> . list
>
> . count
> 0
>
> . di make price mpg
> AMC Concord409922
>
> Roger.
> ----------------------------------------------------
> Roger Harbord mailto:[email protected]
> Department of Social Medicine, University of Bristol
>
> --On 30 June 2004 10:52 +0200 "A.M. Vos" <[email protected]> wrote:
>
> > that was my first thought too, but it is not. Neither is UNIEKNR the 11th
> > variable.
> > and I would expect either two stata answers (because I asked display two
> > variables), or an error message, or just nothing.
> > It's just curiosity, it may not be important at all, but I would like to
> > understand it.
> > Annelies
> >
> > Toyoto Iwata wrote:
> >
> >> Sorry, perhaps this is my mistake.
> >>
> >> CL_NR was the eleventh variable. and Stata should be reporting
> >> its token.
> >>
> >> At 17:09 04/06/30 +0900, I wrote:
> >> > In case "CLPL =. "
> >> >
> >> > .list (varlist you need for the diagnosis)
> >> >
> >> >
> >> > Toyoto
> >> >
> >>
> >> > the "keep" I had an empty dataset, with only the names of all (about 50)
> >> > variables. Why than did "display <variable1> <variable2>" give an
> >> > answer, and what does it mean?
> >> >
> >> > . dis _N
> >> > 8200
> >> >
> >> > . keep if (FIRSTCAS==1 & CLPL~=1)
> >> > (8200 observations deleted)
> >> >
> >> > . dis CL_NR UNIEKNR
> >> > 11
> >> >
> >> > thanks for any thougts,
> >> > Annelies
> >> >
> >> >
> >> > --
> >> > A.M. Vos
> >> > dept. of Public Health
> >> > Erasmus MC
> >>
> >> *
> >> * For searches and help try:
> >> * http://www.stata.com/support/faqs/res/findit.html
> >> * http://www.stata.com/support/statalist/faq
> >> * http://www.ats.ucla.edu/stat/stata/
> >
> > --
> > A.M. Vos
> > dept. of Public Health
> > Erasmus MC
> > University Medical Center Rotterdam
> > P.O. Box 1738
> > 3000 DR Rotterdam
> > The Netherlands
> > Tel: +31 (10) 4087502
> > Fax: +31 (10) 4089449
> > email: [email protected]
> >
> >
> > *
> > * For searches and help try:
> > * http://www.stata.com/support/faqs/res/findit.html
> > * http://www.stata.com/support/statalist/faq
> > * http://www.ats.ucla.edu/stat/stata/
>
> *
> * For searches and help try:
> * http://www.stata.com/support/faqs/res/findit.html
> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
--
A.M. Vos
dept. of Public Health
Erasmus MC
University Medical Center Rotterdam
P.O. Box 1738
3000 DR Rotterdam
The Netherlands
Tel: +31 (10) 4087502
Fax: +31 (10) 4089449
email: [email protected]
*
* For searches and help try:
* http://www.stata.com/support/faqs/res/findit.html
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/